NSUserNotification狀態

Question

有沒有辦法確定某個NSUserNotification是否仍在屏幕上或已被解雇？ 我還沒有辦法做到這一點。

Answer 1

我想你可以使用NSUserNotificationCenterDelegate_Protocol

它具有userNotificationCenter：didActivateNotification：當用戶單擊用戶通知中心提供的用戶通知時發送給代理 。

但請記住，它還取決於使用的通知類型。 如果是“橫幅”，那么它可能會在用戶點擊之前消失。

因此，與代理人一起，您還必須檢查通知的類型以及是否已提交。

更新：我沒有使用過NotificationCenter。 所以沒有代碼可以交給你。 但也看一下常數：

NSUserNotificationActivationType
These constants describe how the user notification was activated.

enum {
NSUserNotificationActivationTypeNone = 0,
NSUserNotificationActivationTypeContentsClicked = 1,
NSUserNotificationActivationTypeActionButtonClicked = 2
}
typedef NSInteger NSUserNotificationActivationType;
Constants
NSUserNotificationActivationTypeNone
The user did not interact with the notification alert.
Available in OS X v10.8 and later.
Declared in NSUserNotification.h.
NSUserNotificationActivationTypeContentsClicked
The user clicked on the contents of the notification alert.
Available in OS X v10.8 and later.
Declared in NSUserNotification.h.
NSUserNotificationActivationTypeActionButtonClicked
The user clicked on the action button of the notification alert.
Available in OS X v10.8 and later.
Declared in NSUserNotification.h.